Class LowerCaseFilter

Normalizes token text to lower case.

You must specify the required LuceneVersion compatibility when creating LowerCaseFilter:

  • As of 3.1, supplementary characters are properly lowercased.

Inheritance
System.Object
AttributeSource
TokenStream
TokenFilter
LowerCaseFilter
Implements
IDisposable
Inherited Members
Namespace: Lucene.Net.Analysis.Core
Assembly: Lucene.Net.Analysis.Common.dll
Syntax
public sealed class LowerCaseFilter : TokenFilter, IDisposable

Constructors

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LowerCaseFilter(LuceneVersion, TokenStream)

Create a new LowerCaseFilter, that normalizes token text to lower case.

Declaration
public LowerCaseFilter(LuceneVersion matchVersion, TokenStream in)
Parameters
Type Name Description
LuceneVersion matchVersion

See LuceneVersion

TokenStream in

TokenStream to filter

Methods

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IncrementToken()

Declaration
public override sealed bool IncrementToken()
Returns
Type Description
System.Boolean
Overrides

Implements

IDisposable